Home / 39,820.40-59,730.60-27,378.80

Finding the Fourth Proportional to 39,820.40, 59,730.60 and 27,378.80

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Solution

The fourth proportional to 39,820.40, 59,730.60 and 27,378.80 is: 41,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.40 : 59,730.60 = 27,378.80 : x
  2. Step 2: Convert to fraction form
    39,820.40/59,730.60 = 27,378.80/x
  3. Step 3: Cross multiply
    39,820.40x = 59,730.60 × 27,378.80
  4. Step 4: Simplify right side
    39,820.40x = 1,635,352,151.28
  5. Step 5: Solve for x
    x = 1,635,352,151.28/39,820.40
  6. Step 6: Final answer
    x = 41,068.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.